First, scan your system with anti-virus tests and delete if any threat file is found.
Check the system requirements of your computer to see if it compatible with your application.
Make sure that your computer is connected to internet connection.
Ensure that automatic updates to upgrade Aol desktop gold is enabled.
Enable automatic updates to upgrade AOL desktop gold
Clear all the cache and delete temporary files from the browser settings.
clear cache and temporary file
Disable the firewall as it may cause ‘Aol Gold won’t open’ error.
disable firewall in aol gold
Delete duplicate file to create space in the RAM memory
Stop downloading applications that are interfering with your internet connection